cocoserve

NASView
NASView can operate touch events very well. It also can clip own view area. It is a base class of NASScrollView and NASButtonView.
NASScrollView
NASScrollView can scroll own view area. It also can do paging and inertia scrolling is very smooth. It can cancel the button push down during scrolling by cooperating with NASButtonView.
NASButtonView
NASButtonView can get touch events easily. It works with NASScrollView.

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